IT1024884B - SAFETY CIRCUIT FOR ELECTRICAL APPLIANCES - Google Patents

SAFETY CIRCUIT FOR ELECTRICAL APPLIANCES

Info

Publication number
IT1024884B
IT1024884B IT70406/74A IT7040674A IT1024884B IT 1024884 B IT1024884 B IT 1024884B IT 70406/74 A IT70406/74 A IT 70406/74A IT 7040674 A IT7040674 A IT 7040674A IT 1024884 B IT1024884 B IT 1024884B
Authority
IT
Italy
Prior art keywords
electrical appliances
safety circuit
safety
circuit
appliances
Prior art date
Application number
IT70406/74A
Other languages
Italian (it)
Inventor
H W Vind
F Sorensen
Original Assignee
Danfoss As
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Danfoss As filed Critical Danfoss As
Application granted granted Critical
Publication of IT1024884B publication Critical patent/IT1024884B/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/33—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/021—Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order
    • H02H3/023—Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order by short-circuiting

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Transformers (AREA)
IT70406/74A 1973-12-01 1974-11-21 SAFETY CIRCUIT FOR ELECTRICAL APPLIANCES IT1024884B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2360037A DE2360037A1 (en) 1973-12-01 1973-12-01 SAFETY CIRCUIT FOR AN ELECTRICAL DEVICE

Publications (1)

Publication Number Publication Date
IT1024884B true IT1024884B (en) 1978-07-20

Family

ID=5899666

Family Applications (1)

Application Number Title Priority Date Filing Date
IT70406/74A IT1024884B (en) 1973-12-01 1974-11-21 SAFETY CIRCUIT FOR ELECTRICAL APPLIANCES

Country Status (11)

Country Link
JP (1) JPS5086652A (en)
AU (1) AU7491274A (en)
BE (1) BE821917A (en)
BR (1) BR7410014A (en)
DE (1) DE2360037A1 (en)
DK (1) DK572174A (en)
ES (1) ES432378A1 (en)
FR (1) FR2253299A1 (en)
IT (1) IT1024884B (en)
NL (1) NL7415418A (en)
NO (1) NO744280L (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2426973A1 (en) * 1978-05-23 1979-12-21 Laprom Corp Nv LEAKAGE CURRENT CIRCUIT BREAKER
US4412715A (en) * 1981-01-12 1983-11-01 Virginia Patent Development Corp. Modular electrical plug incorporating conductive path
DE3431581A1 (en) * 1984-08-28 1986-03-20 Friedrich Dipl.-Ing. 8033 Krailling Lauerer Electrical circuit breaker
DE3903025A1 (en) * 1989-02-02 1990-08-09 Asea Brown Boveri Method for protecting individuals
EP0513405A1 (en) * 1991-05-11 1992-11-19 Intermacom A.G. Method and apparatus for current interruption in electrically-powered apparatus and equipment
DE102004016740B4 (en) * 2004-04-05 2006-08-31 Siemens Ag Method for detecting an insulation fault in a high-voltage converter
EP1992003B1 (en) 2006-02-23 2013-11-27 Siemens Aktiengesellschaft Overcurrent switching apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS445389Y1 (en) * 1965-09-06 1969-02-26

Also Published As

Publication number Publication date
NL7415418A (en) 1975-06-03
NO744280L (en) 1975-06-30
BE821917A (en) 1975-03-03
AU7491274A (en) 1976-05-06
ES432378A1 (en) 1976-12-01
BR7410014A (en) 1976-05-25
FR2253299B3 (en) 1977-08-26
DK572174A (en) 1975-07-21
DE2360037A1 (en) 1975-06-12
JPS5086652A (en) 1975-07-12
FR2253299A1 (en) 1975-06-27

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